ADJ-GRADED
(论点、观点或立场)有道理的，站得住脚的
If you say that an argument, point of view, or situation is tenable, you believe that it is reasonable and could be successfully defended against criticism.
例句
This argument is simply not tenable...
这个论点根本站不住脚。
The only way his role can be clarified and his position made tenable again is if there's a public inquiry.
弄清他扮演的角色并再次证明他的合理立场的唯一办法是展开公开调查。